self-trapped optical beam

By applying the numerical simulation technology,it makes the optimization process for light beam heating parameters more efficient and economic.

采用数值模拟技术 ,可以使聚焦光束处理参数的优化过程更加经济、高效。

The technology of acquiring precise modified layer on construction material surface by light beam cladding was investigated and its effect on cladding layer quality was revealed.

研究了采用聚焦光束熔覆方法在结构材料表面获得精密改性层的工艺及其对熔覆层质量的影响。

In simulation of focused beam propagation with arbitrary focal length, the traditional beam propagation algorithm based on Fast Fourier Transform will fail to give right results due to the limitation of the sampling theorem.

由于取样定理的限制 ,常规的基于快速傅里叶变换 (FFT)光束传输模拟算法不能进行任意焦距聚焦光束的传输过程的模拟。